Matching Pairs Statistical Process ControlOnline version Familiarize with the usage by Nur Ezrin 1 Process Flow Diagram 2 Histogram 3 Control Charts 4 Cause and Effect Diagram 5 Pareto Diagram 6 Checksheet 7 Scatter Diagram A production process is said to be out-of-control when the quality characteristic of a product is subject also to variation due to assignable causes a bar arranged in decreasing order from left to the right and graphical overview of the process problems a graphic tool that helps identify, sort, and display possible causes of a problem or quality characteristic a graphic representation (bar chart) used to plot the frequency with which different values of a given variable occur. The simplest way to determine if a cause and effect relationship exists between two variables a structured, prepared form for collecting and analyzing data graphical representation of all the steps involved in an entire process